Quick, humane way to eliminate a variety of pests like chipmunks, squirrels and rats.. Tunnel made of high quality polypropylene shelters traps from dirt and moisture.. Locking tunnel protects traps and reduces potential risk of tampering by children, pets and other wildlife.. Head-on capture and heavy duty traps with patented interlocking teeth make it virtually impossible to escape.. High impact plastic can be used again and again..